KR100609967B1 - 탄성표면파 장치 - Google Patents
탄성표면파 장치 Download PDFInfo
- Publication number
- KR100609967B1 KR100609967B1 KR1020020031623A KR20020031623A KR100609967B1 KR 100609967 B1 KR100609967 B1 KR 100609967B1 KR 1020020031623 A KR1020020031623 A KR 1020020031623A KR 20020031623 A KR20020031623 A KR 20020031623A KR 100609967 B1 KR100609967 B1 KR 100609967B1
- Authority
- KR
- South Korea
- Prior art keywords
- acoustic wave
- surface acoustic
- wave filter
- frequency
- terminal
- Prior art date
Links
- 238000010897 surface acoustic wave method Methods 0.000 title claims abstract description 379
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 63
- 239000000758 substrate Substances 0.000 claims description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 20
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 238000005530 etching Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 abstract description 17
- 230000037431 insertion Effects 0.000 abstract description 17
- 230000006866 deterioration Effects 0.000 abstract description 13
- 230000008878 coupling Effects 0.000 abstract description 8
- 238000010168 coupling process Methods 0.000 abstract description 8
- 238000005859 coupling reaction Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 13
- 230000000052 comparative effect Effects 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007423 decrease Effects 0.000 description 3
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 2
- 230000002687 intercalation Effects 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02834—Means for compensation or elimination of undesirable effects of temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/6433—Coupled resonator filters
- H03H9/6436—Coupled resonator filters having one acoustic track only
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/42—Piezoelectric device making
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001171414 | 2001-06-06 | ||
JPJP-P-2001-00171414 | 2001-06-06 | ||
JPJP-P-2002-00100164 | 2002-04-02 | ||
JP2002100164A JP3801083B2 (ja) | 2001-06-06 | 2002-04-02 | 弾性表面波装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020093592A KR20020093592A (ko) | 2002-12-16 |
KR100609967B1 true KR100609967B1 (ko) | 2006-08-04 |
Family
ID=26616451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020020031623A KR100609967B1 (ko) | 2001-06-06 | 2002-06-05 | 탄성표면파 장치 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7042131B2 (zh) |
JP (1) | JP3801083B2 (zh) |
KR (1) | KR100609967B1 (zh) |
CN (1) | CN1221077C (zh) |
DE (1) | DE10225189B4 (zh) |
GB (1) | GB2378332B (zh) |
TW (1) | TW543289B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7112912B2 (en) * | 2004-03-16 | 2006-09-26 | Tdk Corporation | Surface acoustic wave device and branching filter |
JP4333673B2 (ja) | 2004-02-06 | 2009-09-16 | パナソニック株式会社 | アンテナ共用器 |
ATE556486T1 (de) * | 2004-04-19 | 2012-05-15 | Murata Manufacturing Co | Filter mit elastischen wellen |
DE102005045372B4 (de) | 2005-09-22 | 2021-08-19 | Snaptrack, Inc. | Bauelement mit mindestens einem mit akustischen Wellen arbeitenden Filter |
DE102006044663A1 (de) * | 2006-09-21 | 2008-04-03 | Epcos Ag | Filterbauelement |
JP4917396B2 (ja) * | 2006-09-25 | 2012-04-18 | 太陽誘電株式会社 | フィルタおよび分波器 |
US7821360B2 (en) | 2008-08-28 | 2010-10-26 | Northrop Grumman Systems Corporation | Multi-channel surface acoustic wave filter device with voltage controlled tunable frequency response |
CN104601141B (zh) * | 2009-05-14 | 2017-10-03 | 天工滤波方案日本有限公司 | 天线共用器 |
US9240767B2 (en) * | 2012-05-31 | 2016-01-19 | Texas Instruments Incorporated | Temperature-controlled integrated piezoelectric resonator apparatus |
WO2016017129A1 (en) | 2014-07-28 | 2016-02-04 | Skyworks Panasonic Filter Solutions Japan Co., Ltd. | Acoustic wave elements, antenna duplexers, modules and electronic devices using the same |
US9634644B2 (en) | 2014-07-28 | 2017-04-25 | Skyworks Filter Solutions Japan Co., Ltd. | Acoustic wave elements and antenna duplexers, and modules and electronic devices using same |
US10506930B2 (en) * | 2016-05-27 | 2019-12-17 | The University Of Colorado, A Body Corporate | Microwave thermometer for internal body temperature retrieval |
JP6947220B2 (ja) * | 2017-09-05 | 2021-10-13 | 株式会社村田製作所 | フィルタ装置 |
CN111224641B (zh) * | 2020-01-22 | 2021-08-10 | 诺思(天津)微系统有限责任公司 | 一种滤波器、双工器、高频前端电路及通信装置 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09153755A (ja) * | 1995-11-29 | 1997-06-10 | Oki Electric Ind Co Ltd | 弾性表面波フィルタ素子 |
JPH09186542A (ja) * | 1995-12-28 | 1997-07-15 | Murata Mfg Co Ltd | 弾性表面波共振子フィルタ |
JPH1079636A (ja) * | 1996-09-04 | 1998-03-24 | Toyo Commun Equip Co Ltd | Sawフィルタの周波数特性調整方法 |
JPH11330900A (ja) * | 1998-05-14 | 1999-11-30 | Murata Mfg Co Ltd | タップ付遅延線装置及びその製造方法 |
KR20010029728A (ko) * | 1999-05-26 | 2001-04-16 | 무라타 야스타카 | 탄성표면파 장치 및 그것의 제조 방법 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3786373A (en) * | 1971-10-01 | 1974-01-15 | Raytheon Co | Temperature compensated acoustic surface wave device |
US3965444A (en) * | 1975-01-03 | 1976-06-22 | Raytheon Company | Temperature compensated surface acoustic wave devices |
JPS56116317A (en) * | 1980-02-19 | 1981-09-12 | Matsushita Electric Ind Co Ltd | Material for elastic surface wave |
GB2120037B (en) * | 1982-03-11 | 1987-11-18 | Nobuo Mikoshiba | Surface acoustic wave device |
US4484098A (en) * | 1983-12-19 | 1984-11-20 | United Technologies Corporation | Environmentally stable lithium niobate acoustic wave devices |
JP2783550B2 (ja) * | 1988-07-27 | 1998-08-06 | 富士通株式会社 | 弾性表面波発振素子 |
US4978879A (en) * | 1988-07-27 | 1990-12-18 | Fujitsu Limited | Acoustic surface wave element |
EP0538010A3 (en) * | 1991-10-17 | 1993-05-19 | Fujitsu Limited | Semiconductor package, a holder, a method of production and testing for the same |
TW241397B (zh) * | 1993-01-14 | 1995-02-21 | Murata Manufacturing Co | |
JP3218855B2 (ja) | 1994-05-11 | 2001-10-15 | 株式会社村田製作所 | 弾性表面波装置 |
JP3407459B2 (ja) * | 1995-03-23 | 2003-05-19 | 株式会社村田製作所 | 表面波共振子フィルタ |
JPH11205071A (ja) * | 1998-01-13 | 1999-07-30 | Murata Mfg Co Ltd | 弾性表面波装置 |
JP2000196409A (ja) | 1998-12-28 | 2000-07-14 | Kyocera Corp | 弾性表面波フィルタ |
JP2000332563A (ja) | 1999-05-19 | 2000-11-30 | Matsushita Electric Ind Co Ltd | Sawフィルタ |
JP3376969B2 (ja) | 1999-09-02 | 2003-02-17 | 株式会社村田製作所 | 弾性表面波装置及びその製造方法 |
-
2002
- 2002-04-02 JP JP2002100164A patent/JP3801083B2/ja not_active Expired - Lifetime
- 2002-05-22 TW TW091110771A patent/TW543289B/zh not_active IP Right Cessation
- 2002-05-28 GB GB0212284A patent/GB2378332B/en not_active Expired - Lifetime
- 2002-06-05 KR KR1020020031623A patent/KR100609967B1/ko active IP Right Grant
- 2002-06-06 DE DE10225189A patent/DE10225189B4/de not_active Expired - Lifetime
- 2002-06-06 CN CNB021228167A patent/CN1221077C/zh not_active Expired - Lifetime
- 2002-06-06 US US10/163,846 patent/US7042131B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09153755A (ja) * | 1995-11-29 | 1997-06-10 | Oki Electric Ind Co Ltd | 弾性表面波フィルタ素子 |
JPH09186542A (ja) * | 1995-12-28 | 1997-07-15 | Murata Mfg Co Ltd | 弾性表面波共振子フィルタ |
JPH1079636A (ja) * | 1996-09-04 | 1998-03-24 | Toyo Commun Equip Co Ltd | Sawフィルタの周波数特性調整方法 |
JPH11330900A (ja) * | 1998-05-14 | 1999-11-30 | Murata Mfg Co Ltd | タップ付遅延線装置及びその製造方法 |
KR20010029728A (ko) * | 1999-05-26 | 2001-04-16 | 무라타 야스타카 | 탄성표면파 장치 및 그것의 제조 방법 |
Also Published As
Publication number | Publication date |
---|---|
DE10225189B4 (de) | 2005-04-28 |
GB0212284D0 (en) | 2002-07-10 |
JP2003060476A (ja) | 2003-02-28 |
TW543289B (en) | 2003-07-21 |
CN1389984A (zh) | 2003-01-08 |
US20020190815A1 (en) | 2002-12-19 |
CN1221077C (zh) | 2005-09-28 |
US7042131B2 (en) | 2006-05-09 |
KR20020093592A (ko) | 2002-12-16 |
GB2378332A (en) | 2003-02-05 |
GB2378332B (en) | 2003-10-01 |
DE10225189A1 (de) | 2003-01-09 |
JP3801083B2 (ja) | 2006-07-26 |
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